@article{11368,
  author = {K. Hunger and D. van Blerkom},
  title = {A Pure Helium Model Stellar Atmosphere},
  year = {1967},
  journal = {Zeitschrift für Astrophysik},
  volume = {66},
  chapter = {185},
  pages = {185-199},
  url = {http://adsabs.harvard.edu/full/1967ZA.....66..185H},
  note = {JILA Pub. 270},
}